1002201021211 has 32 divisors (see below), whose sum is σ = 1154844794880. Its totient is φ = 862015996800.

The previous prime is 1002201021197. The next prime is 1002201021223. The reversal of 1002201021211 is 1121201022001.

It is a cyclic number.

It is not a de Polignac number, because 1002201021211 - 2¹³ = 1002201013019 is a prime.

It is a super-3 number, since 3×1002201021211³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002201021191 and 1002201021200.

It is not an unprimeable number, because it can be changed into a prime (1002201001211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7315206 + ... + 7450948.

It is an arithmetic number, because the mean of its divisors is an integer number (36088899840).

Almost surely, 2^{1002201021211} is an apocalyptic number.

1002201021211 is a deficient number, since it is larger than the sum of its proper divisors (152643773669).

1002201021211 is a wasteful number, since it uses less digits than its factorization.

1002201021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136267.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002201021211 its reverse (1121201022001), we get a palindrome (2123402043212).

The spelling of 1002201021211 in words is "one trillion, two billion, two hundred one million, twenty-one thousand, two hundred eleven".